Apaleontologist has recovered a bit of tissue from the 400-year-old preserved skin of an extinct dodo bird. the researcher would like to compare a specific region of the dna from the sample with dna from living birds. which of the following would be most useful for increasing the amount of dod dna available for testing?

a)rflp analysis

b)electroporation

c)polymerase chain reaction (pcr)

d)gel electrophoresis

e) southern blotting

Compare the composition of the moon's surface with the composition of the earth's surface.

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?